<!DOCTYPE html>
<html lang="en">

<head>
	<meta charset="UTF-8">
	<title>1_非受控组件</title>
	<!-- 引入react核心库 -->
	<script type="text/javascript" src="../js/react.development.js"></script>
	<!-- 引入react-dom，用于支持react操作DOM -->
	<script type="text/javascript" src="../js/react-dom.development.js"></script>
	<!-- 引入babel，用于将jsx转为js -->
	<script type="text/javascript" src="../js/babel.min.js"></script>

</head>

<body>
	<!-- 准备好一个“容器” -->
	<div id="test"></div>


	<script type="text/babel">
		//创建组件,现用现取就是非受控组件
		class Login extends React.Component {
			// get请求,携带query参数
			// http://www.atguigu.com/?username=ysc&password=666

			// get请求,携带params参数
			// http://www.atguigu.com/ysc/666

			handleSubmit = (event) => {
				event.preventDefault();//组件表单的默认提交
				const { username, password } = this
				alert(`您输入的用户名为${username.value},密码为${password.value}`)
			}

			render() {
				return (
					<form onSubmit={this.handleSubmit}>
						用户名: <input ref={(c) => { this.username = c }} name="username" type="text" />
						密码: <input ref={(c) => { this.password = c }} name="password" type="password" />
						<button>登录</button>
					</form>
				)
			}
		}
		//渲染组件
		ReactDOM.render(<Login />, document.getElementById('test'))
	</script>
</body>

</html>